Split a startRegistryProcess from openshiftCluster.startRegistry
Split a startRegistryProcess from openshiftCluster.startRegistry

The helper will be reused in the future.  For now, this does not change
behavior.

jwhonce/skopeo,mtrmac/skopeo,projectatomic/skopeo,projectatomic/skopeo,mtrmac/skopeo,jwhonce/skopeo,mtrmac/skopeo